== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 19:20:52 (1788564052)
old_iused=447
 - open/close 671 (time 1788564069.10 total 10.01 last 67.05)
total: 1000 open/close in 15.47 seconds: 64.63 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788564084 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
439 
waited 1 sec, old Iused 1447, new Iused 439